阅读说明：本技术 一种喷涂设备及其使用方法 (Spraying equipment and using method thereof ) 是由 黄汉金 赵红旭 陈澄 于 2020-07-23 设计创作，主要内容包括：本发明公开一种喷涂设备及其使用方法,喷涂设备包括涂料罐、喷漆泵、控制仪、连接管、流量计、电磁阀和喷枪,喷漆泵与连接管的一端连接,喷枪与连接管的另一端连接,喷漆泵用于将涂料从涂料罐输送至喷枪,电磁阀和流量计设置在连接管上,控制仪与喷漆泵、电磁阀、流量计及喷枪电连接,控制仪控制喷漆泵和电磁阀的开关并接收流量计和喷枪的数据。喷枪可实时显示出喷枪的喷涂距离、喷涂角度和喷涂速度,若实际喷涂作业中的上述喷涂参数与理论参数之间的差值过大,可提示操作人员对喷涂距离、喷涂角度或喷涂速度做出调整乃至中止当前喷涂作业,防止完全依赖操作人员的个人技术水平进行喷涂作业,减少涂料损耗和挥发性有机物的排放,节约成本。(The invention discloses spraying equipment and a using method thereof, wherein the spraying equipment comprises a coating tank, a spraying pump, a controller, a connecting pipe, a flowmeter, an electromagnetic valve and a spray gun, the spraying pump is connected with one end of the connecting pipe, the spray gun is connected with the other end of the connecting pipe, the spraying pump is used for conveying coating from the coating tank to the spray gun, the electromagnetic valve and the flowmeter are arranged on the connecting pipe, the controller is electrically connected with the spraying pump, the electromagnetic valve, the flowmeter and the spray gun, and the controller controls the on-off of the spraying pump and the electromagnetic valve and receives data of the flowmeter and the spray gun. The spray gun can display the spraying distance, the spraying angle and the spraying speed of the spray gun in real time, if the difference value between the spraying parameter and the theoretical parameter in the actual spraying operation is too large, an operator can be prompted to adjust the spraying distance, the spraying angle or the spraying speed and even stop the current spraying operation, the spraying operation completely depending on the personal technical level of the operator is prevented, the coating loss and the emission of volatile organic compounds are reduced, and the cost is saved.)

1. A spraying device is characterized by comprising a coating tank, a spraying pump, a controller, a connecting pipe, a flowmeter, an electromagnetic valve and a spray gun, the paint spraying pump is connected with one end of the connecting pipe, the spray gun is connected with the other end of the connecting pipe, the paint spraying pump is used for conveying paint from the paint tank to the spray gun, the electromagnetic valve and the flow meter are arranged on the connecting pipe, the controller is electrically connected with the paint spraying pump, the electromagnetic valve, the flowmeter and the spray gun, the controller controls the switch of the paint spraying pump and the electromagnetic valve and receives the data of the flow meter and the spray gun, the spray gun comprises a measuring device and a control panel, the measuring device is used for measuring the spraying distance, the spraying angle and the moving speed of the spray gun, the spraying distance, the spraying angle and the moving speed are displayed on the control panel.

2. The spraying equipment of claim 1, characterized in that the control panel is arranged on the side of the spray gun facing the operator, and an audible and visual warning device is arranged on the control panel.

3. A spray device according to claim 2, wherein the measuring means comprise a laser emitter and a laser receiver, which are arranged on the side of the spray gun facing away from the operator.

4. The spray equipment of claim 2, wherein the spray gun is provided with a power supply interface or a charging interface.

5. A spray assembly according to claim 2 wherein a sensor is provided within the spray gun.

6. A method of using a spray coating device, comprising the steps of:

s1, inputting theoretical operation parameters through a controller according to the coating requirements of a surface to be sprayed;

s2, an operator carries out spraying operation, and whether the difference value between the actual operation parameter and the theoretical operation parameter is within an allowable range is judged by observing information displayed on a control panel of the spray gun;

s3, when the difference value between the actual operation parameter and the theoretical operation parameter exceeds the allowable range, stopping the paint spraying pump, closing the electromagnetic valve and stopping the spraying operation;

and S4, after the spraying operation is finished, comparing the coating usage counted by the flow meter with the theoretical usage, and inspecting and analyzing the spraying operation.

7. Use of a spraying device according to claim 6, characterized in that the operating parameters comprise at least the spraying distance, the spraying angle and the moving speed of the spray gun, each operating parameter being displayed separately on the control panel.

8. Use of a painting device according to claim 7, characterized in that the extent to which the actual operating parameters deviate from the theoretical operating parameters is differentiated on the control panel by different colours.

9. Use of a spraying device according to claim 6, characterized in that the flow meter is calibrated before step S1.

10. Use of a spray device according to claim 9, characterized in that the volume of paint actually sprayed out of the spray gun per unit of time is measured using a measuring standard, and the measuring standard is calibrated on the basis of the measurement.

Technical Field

The invention relates to the technical field of coating, in particular to spraying equipment and a using method thereof.

Background

The existing spraying equipment generally adopts compressed air as power to drive a high-pressure pump, and paint is sucked and pressurized, then passes through a high-pressure spraying hose and is sprayed on an operation surface through a nozzle of a spray gun. The paint leaves the nozzle, is atomized into fine particles, is sprayed onto the surface to be coated, and forms a uniform coating film through manual swing of an operator. The existing paint spraying operators judge the moving speed, distance and angle during spraying operation by experience according to the data of the shape, size, paint solid content, paint film thickness of the coating design and the like of the surface of an operation object, and reversely push the dry film thickness by the wet film thickness after spraying through calculating the solid volume content and the paint film thickness of the coating design.

In the field construction process, the spraying distance, angle, moving speed and coating consumption of spraying operators cannot be monitored. The level and quality of the spraying operation completely depend on the skill level and experience of spraying operators, and the spraying skill can be mastered after a certain adaptation period for new paint varieties and coating thicknesses. The thickness of the paint film of the coating after spraying is easy to have uneven phenomenon, various losses exist in the spraying process, and the amount of the paint actually sprayed on the surface of an operation object cannot obtain accurate feedback information.

Disclosure of Invention

The invention aims to provide spraying equipment and a using method thereof, which can guide an operator to correct various spraying parameters, effectively improve the coating quality, reduce the coating loss, reduce the emission of volatile organic compounds and save the cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

on one hand, the spraying equipment comprises a paint tank, a paint spraying pump, a controller, a connecting pipe, a flow meter, an electromagnetic valve and a spray gun, the paint spraying pump is connected with one end of the connecting pipe, the spray gun is connected with the other end of the connecting pipe, the paint spraying pump is used for conveying paint from the paint tank to the spray gun, the electromagnetic valve and the flow meter are arranged on the connecting pipe, the controller is electrically connected with the paint spraying pump, the electromagnetic valve, the flowmeter and the spray gun, the controller controls the switch of the paint spraying pump and the electromagnetic valve and receives the data of the flow meter and the spray gun, the spray gun comprises a measuring device and a control panel, the measuring device is used for measuring the spraying distance, the spraying angle and the moving speed of the spray gun, the spraying distance, the spraying angle and the moving speed are displayed on the control panel.

As a preferable scheme of the invention, the control panel is arranged on one side of the spray gun facing to an operator, and an acousto-optic warning device is arranged on the control panel.

As a preferable scheme of the present invention, the measuring device includes a laser transmitter and a laser receiver, and the laser transmitter and the laser receiver are disposed on a side of the spray gun facing away from the operator.

As a preferable scheme of the invention, a power supply interface or a charging interface is arranged on the spray gun.

As a preferable scheme of the invention, a sensor is arranged in the spray gun.

In another aspect, a method of using a spray coating device is provided, comprising the steps of:

s1, inputting theoretical operation parameters through a controller according to the coating requirements of a surface to be sprayed;

s2, an operator carries out spraying operation, and whether the difference value between the actual operation parameter and the theoretical operation parameter is within an allowable range is judged by observing information displayed on a control panel of the spray gun;

s3, when the difference value between the actual operation parameter and the theoretical operation parameter exceeds the allowable range, stopping the paint spraying pump, closing the electromagnetic valve and stopping the spraying operation;

and S4, after the spraying operation is finished, comparing the coating usage counted by the flow meter with the theoretical usage, and inspecting and analyzing the spraying operation.

As a preferable aspect of the present invention, the operation parameters include at least a spraying distance, a spraying angle, and a moving speed of the spray gun, and each operation parameter is separately displayed on the control panel.

As a preferred aspect of the present invention, the degree to which the actual operating parameter deviates from the theoretical operating parameter is differentiated on the control panel using different colors.

As a preferable aspect of the present invention, before step S1, the flowmeter is calibrated.

In a preferred embodiment of the present invention, the volume of the paint actually sprayed by the spray gun per unit time is measured by using a measuring tool, and the flow meter is calibrated based on the measurement result.

The invention has the beneficial effects that:

the spraying equipment provided by the invention realizes relatively accurate control of the coating flow by arranging the flowmeter, the spray paint pump, the electromagnetic valve and the controller, so that the coating flow in unit time is adapted to the solid volume content of the coating, the designed coating thickness and the moving speed of the spray gun. The control panel on the spray gun displays the spraying distance, the spraying angle and the spraying speed of the spray gun in real time, if the difference value between the spraying parameter and the theoretical parameter in the actual spraying operation is too large, the control panel can remind an operator to adjust the spraying distance, the spraying angle or the spraying speed and even stop the current spraying operation, so that the instability of the spraying quality caused by the fact that the operator completely depends on the personal technical level of the operator to perform the spraying operation is prevented, the unnecessary coating loss and the emission of volatile organic compounds are reduced, and the cost is saved. The flow meter can also count the amount of the coating, and the actual amount of the coating can be compared with the theoretical amount and analyzed after the spraying operation is finished, so that the quality of the subsequent spraying operation is improved.

Drawings

FIG. 1 is a schematic structural diagram of a spraying apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a control panel according to an embodiment of the present invention;

FIG. 3 is a schematic view of a measuring apparatus according to an embodiment of the present invention.

In the figure:

1. a paint tank; 2. a paint spray pump; 3. a control instrument; 4. a connecting pipe; 5. a flow meter; 6. an electromagnetic valve; 7. a spray gun; 71. a control panel; 711. a spraying distance display area; 712. a spraying angle display area; 713. a moving speed display area; 714. an acousto-optic warning device; 715. an operating time and paint flow display area; 716. a laser state display area; 72. a measuring device; 721. a laser transmitter; 722. a laser receiver.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the word "over" a first feature or feature in a second feature may include the word "over" or "over" the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Furthermore, in the description of the present invention, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1, the painting equipment according to the embodiment of the present invention includes a paint tank 1, a paint pump 2, a controller 3, a connecting pipe 4, a flow meter 5, a solenoid valve 6, and a spray gun 7, the paint pump 2 is connected to one end of the connecting pipe 4, the spray gun 7 is connected to the other end of the connecting pipe 4, the paint pump 2 is used to deliver paint from the paint tank 1 to the spray gun 7, the solenoid valve 6 and the flow meter 5 are disposed on the connecting pipe 4, the controller 3 is electrically connected to the paint pump 2, the flow meter 5, the solenoid valve 6, and the spray gun 7, the controller 3 controls the on and off of the paint pump 2 and the solenoid valve 6 and receives data of the flow meter 5 and the spray gun 7, the spray gun 7 includes a control panel 71 and a measuring device 72, the measuring device 72 is used to measure a painting distance, a painting angle, and a moving speed of the. As shown in fig. 2, a spraying distance display area 711, a spraying angle display area 712, and a moving speed display area 713 are provided on the control panel 71, and each parameter is visually displayed on the control panel 71 for easy reading.

The spraying equipment of the embodiment realizes relatively accurate control of the coating flow by arranging the spraying pump 2, the flowmeter 5, the electromagnetic valve 6 and the controller 3, so that the coating flow in unit time is adapted to the solid volume content of the coating, the designed coating thickness and the moving speed of the spray gun 7. The spraying distance, the spraying angle and the spraying speed of the spray gun 7 are displayed in real time through the control panel 71 on the spray gun 7, if the difference value between the spraying parameter and the theoretical parameter in the actual spraying operation is too large, the control panel 71 can give a prompt to prompt an operator to adjust the spraying distance, the spraying angle or the spraying speed and even stop the current spraying operation, the unstable spraying quality caused by the fact that the spraying operation is completely dependent on the personal technical level of the operator is prevented, unnecessary coating loss and emission of volatile organic compounds are reduced, and the cost is saved. The flow meter 5 is arranged to count the amount of the coating, and the actual amount of the coating can be compared with the theoretical amount and analyzed after the spraying operation is finished, so that the quality of the subsequent spraying operation is improved. In the embodiment, the controller 3 is electrically connected with the paint spraying pump 2, the controller 3 is electrically connected with the flow meter 5, and the controller 3 is electrically connected with the electromagnetic valve 6 in a wired connection mode, and the spray gun 7 is in a moving state in the spraying operation process, so that the spray gun 7 is wirelessly connected with the controller 3.

Preferably, the control panel 71 is disposed on a side of the spray gun 7 facing the operator, and the control panel 71 is provided with an audible and visual warning device 714. When the difference between one or more spraying parameters of the spraying operation and the theoretical parameters is large, an audible and visual warning can be given by the audible and visual warning device 714 to remind an operator to make an adjustment or stop the spraying operation.

As shown in fig. 3, further, the measuring device 72 includes a laser emitter 721 and a laser receiver 722, and the laser emitter 721 and the laser receiver 722 are disposed on a side of the spray gun 7 facing away from the operator. The laser measurement has higher precision, can reflect the current spraying parameters of the spray gun 7 in real time, and provides reliable data for the correction of the spraying operation parameters.

Preferably, the spray gun 7 is provided with a power interface or a charging interface (not shown in the figure) for supplying power to the control panel 71 and the measuring device 72.

Preferably, a sensor is arranged in the spray gun 7, the sensor is a nine-axis sensor or a ten-axis sensor, the nine-axis sensor includes a three-axis acceleration sensor, a three-axis gyroscope and a three-axis geomagnetic sensor, the ten-axis sensor has more air pressure measurements than the nine-axis sensor, the nine-axis sensor or the ten-axis sensor can perform auxiliary measurement and calibrate the measurement of the measuring device 72, and the measurement accuracy is further improved.

The embodiment of the invention also provides a using method of the spraying equipment, which comprises the following steps:

s1, inputting theoretical operation parameters through a controller 3 according to the coating requirements of a surface to be sprayed;

s2, an operator carries out spraying operation, and whether the difference value between the actual operation parameter and the theoretical operation parameter is within an allowable range is judged by observing information displayed on the control panel 71;

s3, when the difference value between the actual operation parameter and the theoretical operation parameter exceeds the allowable range, stopping the operation of the paint spraying pump 2, closing the electromagnetic valve 6 and stopping the spraying operation;

and S4, after the spraying operation is finished, comparing the coating usage counted by the flow meter 5 with the theoretical usage, and inspecting and analyzing the spraying operation.

Preferably, the operation parameters include at least a spraying distance, a spraying angle, and a moving speed, and each operation parameter is individually displayed on the control panel 71. The parameters are displayed independently, so that an operator can clearly observe which operation parameter or parameters need to be adjusted and how to adjust, and misreading and misoperation are not easy to occur.

Further, the degree to which the actual operating parameter deviates from the theoretical operating parameter is differentiated on the control panel 71 using different colors. When each actual operation parameter is the same as or has a small deviation from the theoretical operation parameter, the spraying distance display area 711, the spraying angle display area 712, and the moving speed display area 713 are displayed in green; when the difference between each actual operation parameter and the theoretical operation parameter approaches the maximum allowable error value, the spraying distance display area 711, the spraying angle display area 712, and the moving speed display area 713 are displayed in yellow; when the difference between each actual operation parameter and the theoretical operation parameter exceeds the maximum allowable error, the painting distance display area 711, the painting angle display area 712, and the moving speed display area 713 are displayed in red, and at this time, the painting pump 2 stops operating, and the solenoid valve 6 is closed. When the difference value between the actual working parameter and the theoretical working parameter exceeds the maximum value of the allowable error, the corresponding area of the working parameter is separately displayed in red.

Preferably, before step S1, the flow meter 5 is calibrated, the flow data fed back by the flow meter 5 to the controller 3 plays a key role in flow control, and the calibration of the flow meter 5 between operations can make the data measured by the flow meter 5 more accurate, so as to provide reliable data for flow control and provide effective support for spraying quality. Specifically, the volume of the paint actually sprayed by the spray gun 7 per unit time is measured by using a measuring tool, and the flow meter 5 is calibrated based on the measurement result.

Further, an operation time and paint flow display area 715 is further disposed on the control panel 71, so that an operator can observe real-time paint flow data during an operation process.

In some embodiments, a laser status display area 716 is further disposed on the control panel 71 for displaying whether the laser of the current measuring device 72 is in a normal working status.

Preferably, a storage module is further arranged in the spray gun 7, the storage module records and stores various spraying parameters in the spraying operation process, after the spraying operation is completed, data recorded by the storage module can be imported into software for detailed analysis, the difference between the numerical value of each spraying parameter in each time period in the spraying operation process and the theoretical parameter is compared, and experience summary is carried out to improve the quality of the subsequent spraying operation.

In some embodiments, the control panel 71 is further provided with a remaining paint status display area (not shown in the drawings), which can display the volume of the current paint remaining in the paint tank 1 and the data of the expected sprayable area, and an operator can estimate whether the spraying speed is too fast or too slow according to the current operation progress by observing the data of the remaining paint status display area, so as to perform real-time adjustment and improve the spraying quality.

Reference throughout this specification to the description of the terms "preferred," "further," or the like, as used in describing preferred embodiments of the present invention, means that a particular feature, structure, material, or characteristic described in connection with the example or illustration is included in at least one example or illustration of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only intended to illustrate the details of the invention, which is not limited to the above details, i.e. it is not intended that the invention must be implemented in such detail. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.